Home / 35,278.10-52,903.36-12,783.44

Finding the Fourth Proportional to 35,278.10, 52,903.36 and 12,783.44

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Solution

The fourth proportional to 35,278.10, 52,903.36 and 12,783.44 is: 19,170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,278.10 : 52,903.36 = 12,783.44 : x
  2. Step 2: Convert to fraction form
    35,278.10/52,903.36 = 12,783.44/x
  3. Step 3: Cross multiply
    35,278.10x = 52,903.36 × 12,783.44
  4. Step 4: Simplify right side
    35,278.10x = 676,286,928.36
  5. Step 5: Solve for x
    x = 676,286,928.36/35,278.10
  6. Step 6: Final answer
    x = 19,170.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.